Senior Fullstack Software Engineer (Product Engineering)

TL;DR

Senior Fullstack Software Engineer (Product Engineering): Developing and maintaining fullstack features for a key component of hirify.global's solution with an accent on scalable backend services and user-friendly frontends. Focus on building scalable, high-performance APIs and contributing to a strong engineering culture.

Location: Paris

Company

hirify.global is a leader in commerce media, helping brands, agencies, and publishers create meaningful consumer connections through AI-powered advertising solutions.

What you will do

• Design, build, and maintain fullstack features, from responsive, user-friendly frontends to robust backend services.
• Own a product component end to end, from architecture and implementation to production and continuous improvement.
• Collaborate with Product, Design, and Program teams to turn user and business needs into impactful solutions.
• Build scalable, high-performance backend services and APIs, with strong attention to reliability and quality.
• Continuously deploy using modern CI/CD practices to ship features safely and frequently.

Requirements

• 7+ years of experience developing complex systems and user-facing applications in production.
• Experience with backend development (e.g. Java, C#, Python, Scala, Node.js) and modern frontend frameworks (e.g. React, Angular, Vue).
• Care about clean architecture, reusable code, and simple solutions that scale well.
• Comfortable in Agile environments and take pride in shipping high-quality, well-tested features.

Culture & Benefits

• Hybrid model blending home with in-office experiences.
• Learning, mentorship & career development programs.
• Health benefits, wellness perks & mental health support.
• Diverse, inclusive, and globally connected team.
• Attractive salary, with performance-based rewards and family-friendly policies, plus the potential for equity.

Hiring process

• HR Interview (30-45 min) to align on expectations.
• Technical Screen (30 min) – live coding exercise on CoderPad.
• In-depth Coding Interview (2 hours) – develop simple features on a small web application.
• System Design Interview (1 hour) – collaborative discussion on designing scalable fullstack and backend systems.
• Final Interview – behavioral, culture-focused conversation with senior team members.